Home / 10,127.27-15,189.69-2,731.16

Finding the Fourth Proportional to 10,127.27, 15,189.69 and 2,731.16

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Solution

The fourth proportional to 10,127.27, 15,189.69 and 2,731.16 is: 4,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.27 : 15,189.69 = 2,731.16 : x
  2. Step 2: Convert to fraction form
    10,127.27/15,189.69 = 2,731.16/x
  3. Step 3: Cross multiply
    10,127.27x = 15,189.69 × 2,731.16
  4. Step 4: Simplify right side
    10,127.27x = 41,485,473.74
  5. Step 5: Solve for x
    x = 41,485,473.74/10,127.27
  6. Step 6: Final answer
    x = 4,096.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.